Key Differences
In short — GeForce GT 645M outperforms Radeon HD 7850 on the selected game parameters. We do not have the prices of both CPUs to compare value. The better performing GeForce GT 645M is 210 days newer than Radeon HD 7850.
Advantages of NVIDIA GeForce GT 645M
- Consumes up to 75% less energy than AMD Radeon HD 7850 - 32 vs 130 Watts
Cyberpunk 2077
Resolution
1920 x 1080
Game Graphics
RT Overdrive
TOP 5 Games
Resolution
1920 x 1080
Game Graphics
RT Overdrive
GeForce GT 645M
Mobile • Oct 1st, 2012
Radeon HD 7850
Desktop • Mar 5th, 2012
Theoretical Performance
GeForce GT 645M
Mobile • Oct 1st, 2012
Pixel Fillrate
5.672 GPixel/s
20%
Texel Fillrate
22.69 GTexel/s
41%
Radeon HD 7850
Desktop • Mar 5th, 2012
Pixel Fillrate
27.52 GPixel/s
100%
Texel Fillrate
55.04 GTexel/s
100%
NVIDIA GeForce GT 645M | vs | AMD Radeon HD 7850 |
|---|---|---|
Oct 1st, 2012 | Release Date | Mar 5th, 2012 |
| GeForce 600M | Generation | Southern Islands |
| Not Available | MSRP | $249 |
| None | Outputs | 1x DVI, 1x HDMI, 2x mini-DisplayPort |
| None | Power Connectors | 1x 6-pin |
Mobile | Segment | Desktop |
| 2 GB | Memory | 2 GB |
| DDR3 | Type | GDDR5 |
| 128-bit | Bus | 256-bit |
| 28.8 GB/s | Bandwidth | 153.6 GB/s |
| 709 MHz | Base Clock Speed | 860 MHz |
| Not Available | Boost Clock Speed | Not Available |
| 900 MHz | Memory Clock Speed | 1200 MHz |
